[CI] Update runner's label for GPU workflow

Author: lukaszstolarczuk

.github/workflows/gpu.yml

@@ -17,11 +17,10 @@ jobs:
 
     strategy:
       matrix:
-        os: ['ubuntu-22.04']
         build_type: [Release]
         compiler: [{c: gcc, cxx: g++}]
         shared_library: ['ON', 'OFF']
-    runs-on: level_zero
+    runs-on:  [ "DSS-LEVEL_ZERO", "DSS-UBUNTU" ]
 
     steps:
       - name: Checkout